package com.banyuan;

public class Methodload {
    public String add(int a , int b ) {
        return a + b + "";
    }
    public double add(double a, double b) {
        return a + b;
        //方法重载
    }
    public static void changeNum(int value) {
        value = 10;
    }

    public static void main(String[] args) {
        int value = 100;
        changeNum(value);
        System.out.println(value);
    }
}
